<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html">
	<meta charset="utf-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
	<title></title>
</head>
<body erke-hide>
</body>
<script>
/**
 * @param {number[]} nums
 * @return {number[]}
 */
var findErrorNums = function(nums) {
	nums=nums.sort(aAronDie);
	var a,b;
    for(var i=0;i<nums.length;){
    	if(nums[i]!=i*1+1&&b==undefined){
    		b=i*1+1;
    	};
    	if(i<nums.length-1&&nums[i]==nums[i+1]){
    		a=nums[i];
    		nums.splice(i,1);
    		nums.push('aAronDie');
    	}else{
    		i++;
    	};
    };
    console.log([a,b]);
    return [a,b];
};
function aAronDie(a,b){
	return a-b;
};
var res=new findErrorNums([1,5,3,2,2,7,6,4,8,9]);
</script>
</html>